| Description |
HS CODE |
| Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or n... | 2517 |
| Refractory ceramic goods, retorts, tubes, etc... | 6903 |
| Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, sh... | 7308 |
| Parts suitable for use solely or principally with the machinery of headings 8425 to 8430... | 8431 |
| Liquid crystal devices not constituting articles provided for more specifically in other headings; lasers, other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this chapter... | 9013 |
